Add 8/14 and 9/20
8/14 + 9/20 is 143/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 14 × 10 = 140,
8/14 = 8 × 10/14 × 10 = 80/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
9/20 = 9 × 7/20 × 7 = 63/140 - Add the two like fractions:
80/140 + 63/140 = 80 + 63/140 = 143/140 - So, 8/14 + 9/20 = 143/140
In mixed form: 13/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/14+9/20 8/14+18/20 8/28+9/20 8/14+9/40 24/14+9/20 8/14+27/20 8/42+9/20 8/14+9/60 40/14+9/20 8/14+45/20 8/70+9/20 56/14+9/20 8/14+63/20 8/98+9/20